The problem of the VOH(min) of a TTL IC being too low to drive a CMOS – McqOptions

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1.	The problem of the VOH(min) of a TTL IC being too low to drive a CMOS circuit and meet the CMOS requirement of VIH(min) is usually easily overcome by:
A.	adding a fixed voltage-divider bias resistive network at the output of the TTL device
B.	avoiding this condition and only using TTL to drive TTL
C.	adding an external pull-down resistor to ground
D.	adding an external pull-up resistor to VCC
Answer» E.

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